Published September 15, 2007 | Version v1
Journal article

Unimodular cosmology and the weight of energy

  • 1. Instituto de Fisica Teorica UAM/CSIC, C-XVI, and Departamento de Fisica Teorica, C-XI, Universidad Autonoma de Madrid, E-28049-Madrid (Spain)

Description

Some models are presented in which the strength of the gravitational coupling of the potential energy relative to the same coupling for the kinetic energy is, in a precise sense, adjustable. The gauge symmetry of these models consists of those coordinate changes with unit Jacobian

Additional details

Publishing Information

Journal Title
Physical Review. D, Particles Fields
Journal Volume
76
Journal Issue
6
Journal Page Range
p. 064013-064013.9
ISSN
0556-2821
CODEN
PRVDAQ

INIS

Country of Publication
United States
Country of Input or Organization
International Atomic Energy Agency (IAEA)
INIS RN
39049695
Subject category
S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; S71: CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS;
Descriptors DEI
COORDINATES; COSMOLOGICAL MODELS; COSMOLOGY; COUPLING; GAUGE INVARIANCE; KINETIC ENERGY; POTENTIAL ENERGY; QUANTUM FIELD THEORY
Descriptors DEC
ENERGY; FIELD THEORIES; INVARIANCE PRINCIPLES; MATHEMATICAL MODELS

Optional Information

Notes
(c) 2007 The American Physical Society